/*
 * Copyright (c) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// @ts-nocheck
import mediaLibrary from '@ohos.multimedia.mediaLibrary'
import Logger from '../model/Logger'

class MediaUtils {
	private tag: string = 'MediaUtils'
	private mediaList: Array<mediaLibrary.FileAsset> = []
	private mediaLib: mediaLibrary.MediaLibrary = mediaLibrary.getMediaLibrary(globalThis.abilityContext)

	async queryFile(id) {
		Logger.info(this.tag, `queryFile,id = ${id}`)
		let fileKeyObj = mediaLibrary.FileKey
		if (!id) {
			return
		}
		let args = id.toString()
		let fetchOp = {
			selections: `${fileKeyObj.ID}=?`,
			selectionArgs: [args],
		}
		const fetchFileResult = await this.mediaLib.getFileAssets(fetchOp)
		Logger.info(this.tag, `fetchFileResult.getCount() = ${fetchFileResult.getCount()}`)
		const fileAsset = await fetchFileResult.getAllObject()
		return fileAsset[0]

	}

	async getFdPath(fileAsset: any) {
		let fd = await fileAsset.open('Rw')
		Logger.info(this.tag, `fd = ${fd}`)
		return fd
	}

	async getFileAssetsFromType(mediaType: number) {
		Logger.info(this.tag, `getFileAssetsFromType,mediaType = ${mediaType}`)
		let fileKeyObj = mediaLibrary.FileKey
		let fetchOp = {
			selections: `${fileKeyObj.MEDIA_TYPE}=?`,
			selectionArgs: [`${mediaType}`],
		}
		let fetchFileResult = await this.mediaLib.getFileAssets(fetchOp)
		Logger.info(this.tag, `getFileAssetsFromType,fetchFileResult.count = ${fetchFileResult.getCount()}`)
		if (fetchFileResult.getCount() > 0) {
			this.mediaList = await fetchFileResult.getAllObject()
		}
		return this.mediaList
	}

	deleteFile(media: any) {
		let uri = media.uri
		Logger.info(this.tag, `deleteFile,uri = ${uri}`)
		return this.mediaLib.deleteAsset(uri)
	}

	onDateChange(audioCallback: () => void, videoCallback: () => void) {
		this.mediaLib.on('audioChange', () => {
			Logger.info(this.tag, 'videoChange called')
			audioCallback()
		})
		this.mediaLib.on('videoChange', () => {
			Logger.info(this.tag, 'videoChange called')
			videoCallback()
		})
	}

	offDateChange() {
		this.mediaLib.off('videoChange')
		this.mediaLib.off('audioChange')
	}
}

export default new MediaUtils()